Accident Moderate Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound west of A St (Antioch). Lanes blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on July 4, 2026 at 9:43 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 4, 2:43 PM

Last Updated

3 months, 3 weeks ago

Jul 4, 2:45 PM

Resolved

Jul 4, 9:00 PM

Coordinates

37.9984, -121.8016

Update History

1 observations

CHP : Disabled vehicle on CA-4 Westbound west of A St (Antioch). Lanes blocked. Expect delays. Jul 4, 2:45 PM

Source: 511_sfbay · ID 511.org/1516769 First seen Jul 4, 2026 2:45 PM